Home / 15,984.70-22,054.56-9,085.77

Finding the Fourth Proportional to 15,984.70, 22,054.56 and 9,085.77

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Solution

The fourth proportional to 15,984.70, 22,054.56 and 9,085.77 is: 12,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.70 : 22,054.56 = 9,085.77 : x
  2. Step 2: Convert to fraction form
    15,984.70/22,054.56 = 9,085.77/x
  3. Step 3: Cross multiply
    15,984.70x = 22,054.56 × 9,085.77
  4. Step 4: Simplify right side
    15,984.70x = 200,382,614.18
  5. Step 5: Solve for x
    x = 200,382,614.18/15,984.70
  6. Step 6: Final answer
    x = 12,535.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.